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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.restapi;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.JsonFormat;
import com.yahoo.slime.Slime;
import java.io.IOException;
import java.io.OutputStream;
import static com.yahoo.jdisc.Response.Status.BAD_REQUEST;
import static com.yahoo.jdisc.Response.Status.FORBIDDEN;
import static com.yahoo.jdisc.Response.Status.INTERNAL_SERVER_ERROR;
import static com.yahoo.jdisc.Response.Status.METHOD_NOT_ALLOWED;
import static com.yahoo.jdisc.Response.Status.NOT_FOUND;
import static com.yahoo.jdisc.Response.Status.UNAUTHORIZED;
/**
* Error responses with JSON bodies
*
* @author bratseth
*/
public class ErrorResponse extends HttpResponse {
private final Slime slime = new Slime();
private final String message;
public enum ErrorCode {
FORBIDDEN,
UNAUTHORIZED,
NOT_FOUND,
BAD_REQUEST,
METHOD_NOT_ALLOWED,
INTERNAL_SERVER_ERROR
}
private ErrorResponse(int code, ErrorCode errorCode, String message) {
super(code);
this.message = message;
Cursor root = slime.setObject();
root.setString("error-code", errorCode.name());
root.setString("message", message);
}
public String message() { return message; }
public static ErrorResponse notFoundError(String message) {
return new ErrorResponse(NOT_FOUND, ErrorCode.NOT_FOUND, message);
}
public static ErrorResponse internalServerError(String message) {
return new ErrorResponse(INTERNAL_SERVER_ERROR, ErrorCode.INTERNAL_SERVER_ERROR, message);
}
public static ErrorResponse badRequest(String message) {
return new ErrorResponse(BAD_REQUEST, ErrorCode.BAD_REQUEST, message);
}
public static ErrorResponse methodNotAllowed(String message) {
return new ErrorResponse(METHOD_NOT_ALLOWED, ErrorCode.METHOD_NOT_ALLOWED, message);
}
public static ErrorResponse unauthorized(String message) {
return new ErrorResponse(UNAUTHORIZED, ErrorCode.UNAUTHORIZED, message);
}
public static ErrorResponse forbidden(String message) {
return new ErrorResponse(FORBIDDEN, ErrorCode.FORBIDDEN, message);
}
@Override
public void render(OutputStream stream) throws IOException {
new JsonFormat(true).encode(stream, slime);
}
@Override
public String getContentType() { return "application/json"; }
}
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